Instructions on how to enable your browser are contained in the help file.
Extraction of Metals - Quiz - gcsescience.com.
The most common metal ores are
a) Metal carbonates like limestone
b) Metal hydroxides like caustic soda
c) Metal sulfates like gypsum
d) Metal oxides like bauxite
Iron ore is called
The three raw materials added to the top of the blast furnace are
a) Iron ore, coke and slag
b) Iron ore, gypsum and slag
c) Limestone, coke and slag
d) Iron ore, coke and limestone
Aluminium is extracted using
d) Large hammers
Aluminium is resistant to corrosion because
a) The surface oxide layer protects it
b) It is below hydrogen in the reactivity series
c) It is expensive
d) It is rare
Cryolite is added to aluminium ore
a) To make it go further
b) To reduce the melting point
c) To make it shiny
d) To make it light
Copper is purified
a) To make it shiny
b) To make it pink
c) For use as a food additive
d) For use as electrical wiring
This is more feedback!
This is the feedback!
All Chemistry Quizzes
Science Practice Worksheets & Activities
Online Self-Paced Science Lessons
Free Test Maker
Copyright © 2017 gcsescience.com. All Rights Reserved.